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Diffstat (limited to 'arch/arm/include/asm/barriers.h')
-rw-r--r--arch/arm/include/asm/barriers.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/arm/include/asm/barriers.h b/arch/arm/include/asm/barriers.h
index 37870f9..04784b7 100644
--- a/arch/arm/include/asm/barriers.h
+++ b/arch/arm/include/asm/barriers.h
@@ -30,15 +30,22 @@
#endif /* !CONFIG_ARM64 */
-#if defined(__ARM_ARCH_7A__) || defined(CONFIG_ARM64)
+#if __LINUX_ARM_ARCH__ >= 7
#define ISB asm volatile ("isb sy" : : : "memory")
#define DSB asm volatile ("dsb sy" : : : "memory")
#define DMB asm volatile ("dmb sy" : : : "memory")
-#else
+#elif __LINUX_ARM_ARCH__ == 6
#define ISB CP15ISB
#define DSB CP15DSB
#define DMB CP15DMB
+#else
+#define ISB asm volatile ("" : : : "memory")
+#define DSB CP15DSB
+#define DMB asm volatile ("" : : : "memory")
#endif
+#define isb() ISB
+#define dsb() DSB
+#define dmb() DMB
#endif /* __ASSEMBLY__ */
#endif /* __BARRIERS_H__ */